AR-15 5.56/.223 1/2X28 Muzzle Device Crush Washer
The crush washer is to be used behind the flash hider on your AR15, M16, or M4. It ensures a tight fit while maintaining proper vertical alignment. Do not use or reuse a cracked, damaged, or broken crush washer.
Features
- 4150 Steel Construction
- Fits 1/2″ By 28
- Black Nitride Treated



